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Question
Physics
A vector is not changed if
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Q. A vector is not changed if
Motion in a Plane
A
it is displaced parallel to itself
80%
B
it is rotated through an arbitrary angle
7%
C
it is cross-multiplied by a unit vector
7%
D
it is multiplied by an arbitrary scalar
5%
Solution:
When a vector is displaced parallel to itself, neither its magnitude nor its direction changes.